CN220055717U

CN220055717U - Sheet conveying device

Info

Publication number: CN220055717U
Application number: CN202321693968.8U
Authority: CN
Inventors: 张磊
Original assignee: Jiangsu Linkesen Material Technology Co ltd
Current assignee: Jiangsu Linkesen Material Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-21
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to a sheet conveying device which comprises an upper conveying roller and a lower conveying roller which extend left and right respectively, wherein the upper conveying roller and the lower conveying roller are arranged up and down to form a conveying area, the sheet conveying device also comprises an upper auxiliary roller and a lower auxiliary roller which are arranged at the rear side of the conveying area and distributed up and down, an upper spring sleeved between the upper auxiliary roller and the upper conveying roller, and a lower spring sleeved between the lower auxiliary roller and the lower conveying roller, wherein a plurality of upper springs and upper springs are distributed along the left and right direction respectively, and the upper springs and the lower springs are distributed in an up-down dislocation way. According to the utility model, on one hand, the upper auxiliary roller, the lower auxiliary roller, the upper spring and the lower spring are arranged, so that the sheet is driven to stop rapidly under the elastic force generated by the deformation of the springs, the continuous movement of the sheet is avoided, and the subsequent cutting precision is improved; on the other hand, the upper springs and the lower springs are distributed in a staggered manner, and the left and right deflection of the sheet is avoided in contact with the sheet, so that the sheet stably moves in the conveying direction, and continuous and stable production is effectively ensured.

Description

Sheet conveying device

Technical Field

The utility model belongs to the field of conveying devices, and particularly relates to a sheet conveying device.

Background

At present, a cutting device for a sheet generally comprises an unreeling mechanism, a conveying mechanism, a cutting mechanism and a material receiving mechanism, wherein the sheet is unreeled at the push-reeling mechanism, the sheet is cut into a size required by design through the cutting mechanism under the conveying of the conveying mechanism, and finally the cut sheet is collected at the material receiving mechanism.

The conventional sheet conveying mechanism generally comprises an upper conveying roller and a lower conveying roller, and the sheet is conveyed toward the cutting mechanism in the relative movement of the two conveying rollers. However, in the actual production process, the existing conveying mechanism has the following defects:

1. the sheet is easy to generate left-right transverse offset phenomenon on the surface of the conveying roller in continuous front-back conveying, so that the sheet interferes with the frames on two sides of the conveying roller, and the sheet is damaged;

2. when equipment is required to be stopped, the conveying rollers still can convey the sheets forwards under inertia, so that the sheets are excessively conveyed and stacked, and the accuracy of the subsequent cutting position is affected.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an improved sheet conveying device.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the sheet conveying device comprises an upper conveying roller, a lower conveying roller, an upper auxiliary roller, an upper spring, a lower spring, a plurality of upper springs and a plurality of lower springs, wherein the upper conveying roller and the lower conveying roller extend left and right respectively, the upper conveying roller and the lower conveying roller are arranged up and down to form a conveying area, the sheet conveying device further comprises an upper auxiliary roller, a lower auxiliary roller, an upper spring and a lower spring, the upper auxiliary roller and the lower auxiliary roller are arranged at the rear side of the conveying area and distributed up and down, the upper spring is sleeved between the upper auxiliary roller and the upper conveying roller, the lower spring is sleeved between the lower auxiliary roller and the lower conveying roller, the upper springs and the upper springs are distributed along the left and right directions respectively, the upper springs and the lower springs are distributed in a staggered mode, a sheet auxiliary guide area extending front and back is formed between the upper springs and the lower springs, a sheet moves from front to back and enters the auxiliary guide area from the conveying area, the upper surface and the lower surface of the sheet are contacted with the upper springs and the lower springs respectively, and the lower springs are deformed under stress and form elastic force for preventing the sheet from moving backwards.

Preferably, in the orthographic projection in the left-right direction, the upper spring and the lower spring are arranged symmetrically up and down; the upper spring comprises a first section sleeved on the upper conveying roller, a second section sleeved on the upper auxiliary roller and a third section connected between the first section and the second section, and the third section is contacted with the upper surface of the sheet when the sheet enters the auxiliary guide area. Here, the structure is simple, and the assembly and the disassembly between the upper/lower spring, the upper/lower conveying roller and the upper/lower auxiliary roller are convenient.

Specifically, the portion of the third segment that contacts the sheet is disposed to extend in the horizontal direction. Here, it is ensured that the extending direction of the auxiliary guide area constituted by the upper and lower springs is the same as the direction in which the sheet is output from the conveying area, thereby facilitating entry of the sheet into the auxiliary guide area and preventing damage to the apparatus or the sheet due to interference.

Preferably, in the orthographic projection in the vertical direction, each upper spring is disposed at equal distance from the adjacent two lower springs. Here, it is ensured that the upper and lower sides of the sheet are uniformly stressed during conveyance.

Preferably, a plurality of upper grooves distributed along the left-right direction are formed on the upper conveying roller, and a plurality of upper springs are embedded in the upper grooves in a one-to-one correspondence manner; the lower conveying roller is provided with a plurality of lower grooves distributed along the left-right direction, and a plurality of lower springs are embedded in the lower grooves in a one-to-one correspondence manner. Here, the spring is prevented from falling off in normal operation.

Specifically, the part of each upper spring embedded in the upper groove is arranged flush with the notch of the upper groove; the part of each lower spring embedded in the lower groove is flush with the notch of the lower groove.

Preferably, the transfer device further comprises an adjusting member, wherein the adjusting member is connected to an end of the upper transfer roller and/or the lower transfer roller, and the adjusting member is used for adjusting a distance between the upper transfer roller and the lower transfer roller. Here, can be according to the product thickness adjustment of sheet, promote flexibility and practicality.

Specifically, the adjusting part comprises adjusting seats, sliding blocks and elastic pieces which are arranged on the left side and the right side, wherein sliding grooves which extend up and down are formed on the inner side of each adjusting seat, the sliding blocks are correspondingly arranged in each sliding groove in a sliding manner, the upper transmission roller is correspondingly and rotatably connected to the sliding blocks from the end part, and the lower transmission roller is correspondingly and rotatably connected to the adjusting seats from the end part; the elastic piece is connected between the sliding block and the adjusting seat and has a tendency of driving the sliding block to keep moving downwards. Here, automatic adjustment of the pitch according to the sheet thickness is achieved; meanwhile, under the elastic force, the pressure between the upper and lower conveying rollers and the sheet can be ensured, so that the conveying rollers can smoothly drive the sheet to be conveyed in autorotation.

Further, the adjusting part is also used for adjusting the distance between the upper auxiliary roller and the lower auxiliary roller.

In addition, the conveying device further comprises a material guiding frame at the front side of the conveying area, wherein a material guiding cambered surface is formed on the material guiding frame, and the sheet material is conveyed along the material guiding cambered surface and enters the conveying area in a horizontal posture.

Due to the implementation of the technical scheme, compared with the prior art, the utility model has the following advantages:

the sheet material transmission device in the prior art has the defects that the sheet material is easy to deviate, the sheet material is continuously transmitted and piled under the inertia effect when the machine is stopped, and the follow-up cutting precision is influenced; on the other hand, the upper springs and the lower springs are distributed in a staggered manner, and the left and right deflection of the sheet is avoided in contact with the sheet, so that the sheet stably moves in the conveying direction, and continuous and stable production is effectively ensured.

Drawings

FIG. 1 is a schematic front view (partially omitted) of a sheet conveying apparatus of the present utility model;

FIG. 2 is a schematic top view of the upper and lower transfer rollers, upper and lower auxiliary rollers, and upper and lower springs of FIG. 1;

FIG. 3 is a schematic view of the upper transfer roll of FIG. 2;

FIG. 4 is a schematic view of the adjustment member of FIG. 1;

wherein: p, sheet material; 1. an upper conveying roller; c1, upper grooves; 2. a lower conveying roller; q 1, a transmission area; 3. an upper auxiliary roller; 4. a lower auxiliary roller; 5. a spring is arranged; 51. a first section; 52. a second section; 53. a third section; 6. a lower spring; q2, auxiliary guiding area; 7. an adjusting member; 70. an adjusting seat; c2, sliding grooves; 71. a slide block; 72. an elastic member; 8. a material guiding frame; 80. a material guiding cambered surface.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature. It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 to 4, the sheet P conveying apparatus of the present embodiment includes an upper conveying roller 1, a lower conveying roller 2, an upper auxiliary roller 3, a lower auxiliary roller 4, an upper spring 5, and a lower spring 6.

Specifically, the upper conveying roller 1, the lower conveying roller 2, the upper auxiliary roller 3 and the lower auxiliary roller 4 all extend horizontally along the left-right direction, wherein the upper conveying roller 1 and the lower conveying roller 2 are arranged up and down and form a conveying area q 1, and the sheet is conveyed back and forth from the front side of the conveying area q 1; the upper auxiliary roller 3 and the lower auxiliary roller 4 are disposed at the rear side of the conveying area q 1 up and down; the upper spring 5 is sleeved between the upper auxiliary roller 3 and the upper conveying roller 1; the lower spring 6 is sleeved between the lower auxiliary roller 4 and the lower conveying roller 2.

In this example, the upper conveying roller 1 and the lower conveying roller 2 are driven by a power mechanism to rotate relatively, and the sheet is driven to be conveyed from front to back by friction force. In some embodiments, a plurality of upper grooves c 1 distributed along the left-right direction are formed on the upper conveying roller 1, and a plurality of upper springs 5 are embedded in the upper grooves c 1 in a one-to-one correspondence manner; the lower conveying roller 2 has the same structure as the upper conveying roller 1, and is provided with a plurality of lower grooves distributed along the left-right direction, and a plurality of lower springs 6 are embedded in the lower grooves in a one-to-one correspondence manner. Meanwhile, the part of each upper spring 5 embedded in the upper groove c 1 is arranged flush with the notch of the upper groove c 1; the part of each lower spring 6 embedded in the lower groove is arranged flush with the notch of the lower groove.

In this example, the plurality of upper springs 5 and the plurality of lower springs 6 are distributed in a vertically staggered manner, and a sheet auxiliary guiding area q2 extending front and back is formed between the plurality of upper springs 5 and the plurality of lower springs 6, the sheet moves from front to back and enters the auxiliary guiding area q2 from the conveying area q 1, the upper surface and the lower surface of the sheet are respectively contacted with the plurality of upper springs 5 and the plurality of lower springs 6, and when the machine is stopped, the upper springs 5 and the lower springs 6 are stressed to deform and form elastic force for preventing the sheet from continuing to move backwards.

Specifically, in the orthographic projection in the left-right direction, the upper spring 5 and the lower spring 6 are arranged symmetrically up and down; in the orthographic projection in the vertical direction, each upper spring 5 is disposed at equal intervals from the adjacent two lower springs 6.

The structure of the upper spring 5 will be described below, and the lower spring 6 will be apparent.

The upper spring 5 includes a first section 51 fitted in an upper groove c 1 of the upper conveying roller 1, a second section 52 fitted over the upper auxiliary roller 3, and a third section 53 connected between the first section 51 and the second section 52, and the third section 53 contacts the upper surface of the sheet when the sheet enters the auxiliary guide area q 2. The portion of the third section 53 that contacts the sheet is disposed to extend in the horizontal direction, that is, the portion of the third section 53 that contacts the sheet extends in the same direction as the conveying direction of the sheet.

In this example, the conveying apparatus of the present embodiment further includes an adjusting member 7, wherein the adjusting member 7 is connected to the ends of the upper conveying roller 1 and the lower conveying roller 2, and the adjusting member 7 is used to adjust the spacing between the upper conveying roller 1 and the lower conveying roller 2.

Specifically, the adjusting component 7 includes adjusting seats 70, sliding blocks 71 and elastic members 72 disposed on the left and right sides, wherein a vertically extending chute c2 is formed on the inner side of each adjusting seat 70, the sliding blocks 71 are correspondingly slidably disposed in each chute c2, the upper conveying roller 1 is correspondingly rotatably connected to the sliding blocks 71 from the end portion, and the lower conveying roller 2 is correspondingly rotatably connected to the adjusting seat 70 from the end portion; the elastic member 72 is connected between the slider 71 and the adjustment seat 70, and has a tendency to urge the slider 71 to remain moved downward.

Further, the adjusting member 7 is also used to adjust the spacing between the upper auxiliary roller 3 and the lower auxiliary roller 4. For convenience of implementation, the manner in which the adjusting member 7 adjusts the spacing between the upper auxiliary roller 3 and the lower auxiliary roller 4 is the same as the manner in which the spacing between the upper conveying roller 1 and the lower conveying roller 2 is adjusted, and a detailed description thereof will be omitted.

In addition, the conveying device of the present embodiment further includes a guide frame 8 at the front side of the conveying area q 1, wherein a guide arc surface 80 is formed on the guide frame 8, and the sheet is conveyed along the guide arc surface 80 and enters the conveying area q 1 in a horizontal posture.

Therefore, the present embodiment has the following advantages:

1. on one hand, by arranging the upper auxiliary roller, the lower auxiliary roller and the upper spring and the lower spring, the sheet is driven to stop rapidly under the elastic force generated by the deformation of the springs, so that the continuous movement of the sheet is avoided, and the subsequent cutting precision is improved; on the other hand, the upper springs and the lower springs are distributed in a staggered manner, and the left and right deflection of the sheet is avoided in contact with the sheet, so that the sheet stably moves in the conveying direction, and continuous and stable production is effectively ensured;

2. the extension direction of the auxiliary guide area formed by the upper spring and the lower spring is ensured to be the same as the output direction of the sheet from the conveying area, so that the sheet can enter the auxiliary guide area conveniently, and equipment or the sheet is prevented from being damaged due to interference;

3. the thickness of the sheet material can be adjusted according to the thickness of the sheet material, so that the flexibility and the practicability are improved; realizing automatic adjustment of the distance according to the thickness of the sheet; meanwhile, under the elastic force, the pressure between the upper and lower conveying rollers and the sheet can be ensured, so that the conveying rollers can smoothly drive the sheet to be conveyed in autorotation;

4. the structure is simple, and the assembly and the disassembly between the upper/lower spring, the upper/lower transmission roller and the upper/lower auxiliary roller are convenient.

The present utility model has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present utility model and to implement the same, but not to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. A sheet conveying apparatus comprising an upper conveying roller and a lower conveying roller extending from left to right, respectively, wherein the upper conveying roller and the lower conveying roller are disposed up and down and form a conveying area, characterized in that: the sheet conveying device further comprises an upper auxiliary roller, a lower auxiliary roller, an upper spring and a lower spring, wherein the upper auxiliary roller and the lower auxiliary roller are arranged at the rear side of the conveying area and distributed up and down, the upper spring is sleeved between the upper auxiliary roller and the upper conveying roller, the lower spring is sleeved between the lower auxiliary roller and the lower conveying roller, the upper springs and the upper springs are distributed along the left-right direction, the upper springs and the lower springs are distributed in a staggered mode up and down, a sheet auxiliary guide area extending forwards and backwards is formed between the upper springs and the lower springs, a sheet moves forwards and backwards and enters the auxiliary guide area from the conveying area, the upper surface and the lower surface of the sheet are respectively contacted with the upper springs and the lower springs, and when the machine is stopped, the upper springs and the lower springs deform under stress and form elastic force which prevents the sheet from moving backwards continuously.

2. The sheet conveying apparatus according to claim 1, wherein: in the orthographic projection in the left-right direction, the upper spring and the lower spring are arranged symmetrically up and down; the upper spring comprises a first section sleeved on the upper conveying roller, a second section sleeved on the upper auxiliary roller and a third section connected between the first section and the second section, wherein the sheet enters the auxiliary guide area, and the third section is contacted with the upper surface of the sheet.

3. The sheet conveying apparatus according to claim 2, wherein: the portion of the third section in contact with the sheet is disposed to extend in the horizontal direction.

4. The sheet conveying apparatus according to claim 1, wherein: in the orthographic projection in the vertical direction, the distance between each upper spring and the adjacent two lower springs is equal.

5. The sheet conveying apparatus according to any one of claims 1 to 4, wherein: a plurality of upper grooves distributed along the left-right direction are formed on the upper conveying roller, and a plurality of upper springs are embedded in the upper grooves in a one-to-one correspondence manner; the lower conveying roller is provided with a plurality of lower grooves distributed along the left-right direction, and a plurality of lower springs are embedded in the lower grooves in a one-to-one correspondence manner.

6. The sheet conveying apparatus according to claim 5, wherein: the part of each upper spring embedded in the upper groove is flush with the notch of the upper groove; and the part of each lower spring embedded in the lower groove is flush with the notch of the lower groove.

7. The sheet conveying apparatus according to claim 1, wherein: the conveying device further comprises an adjusting component, wherein the adjusting component is connected with the end part of the upper conveying roller and/or the end part of the lower conveying roller, and the adjusting component is used for adjusting the distance between the upper conveying roller and the lower conveying roller.

8. The sheet conveying apparatus according to claim 7, wherein: the adjusting part comprises adjusting seats, sliding blocks and elastic pieces, wherein the adjusting seats are arranged on the left side and the right side, sliding grooves extending up and down are formed in the inner side of each adjusting seat, the sliding blocks are correspondingly arranged in the sliding grooves in a sliding mode, the upper conveying rollers are correspondingly and rotatably connected to the sliding blocks from the end parts, and the lower conveying rollers are correspondingly and rotatably connected to the adjusting seats from the end parts; the elastic piece is connected between the sliding block and the adjusting seat and has a trend of driving the sliding block to keep moving downwards.

9. The sheet conveying apparatus according to claim 7, wherein: the adjusting part is also used for adjusting the distance between the upper auxiliary roller and the lower auxiliary roller.

10. The sheet conveying apparatus according to claim 1, wherein: the conveying device further comprises a material guide frame at the front side of the conveying area, wherein a material guide cambered surface is formed on the material guide frame, and the sheet material is conveyed along the material guide cambered surface and enters the conveying area in a horizontal posture.